/********************************************************
 *  ██████╗  ██████╗████████╗██╗
 * ██╔════╝ ██╔════╝╚══██╔══╝██║
 * ██║  ███╗██║        ██║   ██║
 * ██║   ██║██║        ██║   ██║
 * ╚██████╔╝╚██████╗   ██║   ███████╗
 *  ╚═════╝  ╚═════╝   ╚═╝   ╚══════╝
 * Geophysical Computational Tools & Library (GCTL)
 *
 * Copyright (c) 2022  Yi Zhang (yizhang-geo@zju.edu.cn)
 *
 * GCTL is distributed under a dual licensing scheme. You can redistribute 
 * it and/or modify it under the terms of the GNU Lesser General Public 
 * License as published by the Free Software Foundation, either version 2 
 * of the License, or (at your option) any later version. You should have 
 * received a copy of the GNU Lesser General Public License along with this 
 * program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * If the terms and conditions of the LGPL v.2. would prevent you from using 
 * the GCTL, please consider the option to obtain a commercial license for a 
 * fee. These licenses are offered by the GCTL's original author. As a rule, 
 * licenses are provided "as-is", unlimited in time for a one time fee. Please 
 * send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget 
 * to include some description of your company and the realm of its activities. 
 * Also add information on how to contact you by electronic and paper mail.
 ******************************************************/

#include "gctl/core.h"
#include "gctl/algorithm.h"

using namespace gctl;

int main(int argc, char const *argv[]) try
{
    matrix<double> m(4, 4), v(4, 4), r(4, 4);
    m[0][0] = 1.0; m[0][1] = 2.0; m[0][2] = 0.5; m[0][3] = 2.0;
    m[1][0] = 2.0; m[1][1] = 1.0; m[1][2] = 2.0; m[1][3] = 1.0;
    m[2][0] = 0.5; m[2][1] = 0.5; m[2][2] = 1.0; m[2][3] = 0.5;
    m[3][0] = 1.0; m[3][1] = 2.0; m[3][2] = 0.5; m[3][3] = 1.0;

    v[0][0] = 0.0; v[0][1] = 1.0; v[0][2] = 1.0; v[0][3] = 1.0;
    v[1][0] = 1.0; v[1][1] = 1.0; v[1][2] = 1.0; v[1][3] = 2.0;
    v[2][0] = 1.0; v[2][1] = 0.5; v[2][2] = 2.0; v[2][3] = 0.5;
    v[3][0] = 2.0; v[3][1] = 1.0; v[3][2] = 1.0; v[3][3] = 0.0;

    matmat(r, m, v);

    std::clog << "m = \n";
    m.show();
    std::clog << "v = \n";
    v.show();
    std::clog << "m*v = \n";
    r.show();

    matmat(r, m, v, Trans, NoTrans);
    std::clog << "m^T*v = \n";
    r.show();

    matmat(r, m, v, NoTrans, Trans);
    std::clog << "m*v^T = \n";
    r.show();

    matmat(r, m, v, Trans, Trans);
    std::clog << "m^T*v^T = \n";
    r.show();
    return 0;
}
catch (std::exception &e)
{
    GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}